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Annotation of prex-old/usr/bin/mkdir/mkdir.c, Revision 1.1

1.1     ! nbrk        1: /*
        !             2:  * Copyright (c) 1983, 1992, 1993
        !             3:  *     The Regents of the University of California.  All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms, with or without
        !             6:  * modification, are permitted provided that the following conditions
        !             7:  * are met:
        !             8:  * 1. Redistributions of source code must retain the above copyright
        !             9:  *    notice, this list of conditions and the following disclaimer.
        !            10:  * 2. Redistributions in binary form must reproduce the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer in the
        !            12:  *    documentation and/or other materials provided with the distribution.
        !            13:  * 3. Neither the name of the University nor the names of its contributors
        !            14:  *    may be used to endorse or promote products derived from this software
        !            15:  *    without specific prior written permission.
        !            16:  *
        !            17:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            18:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            19:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            20:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            21:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            22:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            23:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            24:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            25:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            26:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            27:  * SUCH DAMAGE.
        !            28:  */
        !            29:
        !            30: #include <sys/mount.h>
        !            31:
        !            32: #include <unistd.h>
        !            33: #include <err.h>
        !            34: #include <stdlib.h>
        !            35: #include <stdio.h>
        !            36: #include <errno.h>
        !            37:
        !            38: #ifdef CMDBOX
        !            39: #define main(argc, argv)       mkdir_main(argc, argv)
        !            40: #endif
        !            41:
        !            42: static int     build(char *);
        !            43: static void    usage(void);
        !            44:
        !            45: int
        !            46: main(int argc, char *argv[])
        !            47: {
        !            48:        int ch, exitval, pflag;
        !            49:
        !            50:        pflag = 0;
        !            51:        while ((ch = getopt(argc, argv, "p")) != EOF)
        !            52:                switch(ch) {
        !            53:                case 'p':
        !            54:                        pflag = 1;
        !            55:                        break;
        !            56:                case '?':
        !            57:                default:
        !            58:                        usage();
        !            59:                }
        !            60:        argc -= optind;
        !            61:        argv += optind;
        !            62:
        !            63:        if (argv[0] == NULL)
        !            64:                usage();
        !            65:
        !            66:        for (exitval = 0; *argv != NULL; ++argv) {
        !            67:                if (pflag && build(*argv)) {
        !            68:                        exitval = 1;
        !            69:                        continue;
        !            70:                }
        !            71:                if (mkdir(*argv, S_IRWXU | S_IRWXG | S_IRWXO) < 0) {
        !            72:                        warn("%s", *argv);
        !            73:                        exitval = 1;
        !            74:                }
        !            75:        }
        !            76:        exit(exitval);
        !            77:        /* NOTREACHED */
        !            78: }
        !            79:
        !            80: static int
        !            81: build(path)
        !            82:        char *path;
        !            83: {
        !            84:        struct stat sb;
        !            85:        char *p;
        !            86:
        !            87:        p = path;
        !            88:        if (p[0] == '/')                /* Skip leading '/'. */
        !            89:                ++p;
        !            90:        for (;; ++p) {
        !            91:                if (p[0] == '\0' || (p[0] == '/' && p[1] == '\0'))
        !            92:                        break;
        !            93:                if (p[0] != '/')
        !            94:                        continue;
        !            95:                *p = '\0';
        !            96:                if (stat(path, &sb)) {
        !            97:                        if (errno != ENOENT ||
        !            98:                            mkdir(path, S_IRWXU | S_IRWXG | S_IRWXO) < 0) {
        !            99:                                warn("%s", path);
        !           100:                                return (1);
        !           101:                        }
        !           102:                }
        !           103:                *p = '/';
        !           104:        }
        !           105:        return (0);
        !           106: }
        !           107:
        !           108: static void
        !           109: usage()
        !           110: {
        !           111:        (void)fprintf(stderr, "usage: mkdir [-p] directory ...\n");
        !           112:        exit (1);
        !           113: }